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zuoc
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服务器端:
Query.SQL.Add('select * tble where aa=:aa');
客户端子窗体中FormCreate:
ClientDataSet.Active:=false;
ClientDataSet.FetchParams;
ClientDataSet.Params.ParamByName('aa').AsString:='abc';
ClientDataSet.Active:=true;
客户端打开这个窗体执行这个查询没问题,但关闭后再打开报错:
Query:field 'aa' is of an unknown type
为什么??
Query.SQL.Add('select * tble where aa=:aa');
客户端子窗体中FormCreate:
ClientDataSet.Active:=false;
ClientDataSet.FetchParams;
ClientDataSet.Params.ParamByName('aa').AsString:='abc';
ClientDataSet.Active:=true;
客户端打开这个窗体执行这个查询没问题,但关闭后再打开报错:
Query:field 'aa' is of an unknown type
为什么??